Precise measurements of optical Feshbach resonances of ${}^{174}$Yb atoms

Abstract

We present precise measurements of the optical Feshbach resonances (OFRs) of ${}^{174}$Yb atoms for the intercombination transition. We measure the photoassociation (PA) spectra of a pure ${}^{174}$Yb Bose-Einstein condensate, and determine the dependence of OFRs to PA laser intensities and frequencies for four least bound vibrational levels near the intercombination transition. We confirm that our measurements are consistent with the temporal decay of a BEC subjected to a PA beam in the vicinity of the fourth vibrational level from the dissociation limit.

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• Kinetic theory of dark solitons with tunable friction
• Photoassociation spectroscopy of ultracold ${}^{173}$Yb atoms near the intercombination line
• Stabilization of Nonlinear Lattices: A Route to Superfluidity and Hysteresis
• Quantum dimer models emerging from large-spin ultracold atoms